/*

 * Licensed to the Apache Software Foundation (ASF) under one

 * or more contributor license agreements.  See the NOTICE file

 * distributed with this work for additional information

 * regarding copyright ownership.  The ASF licenses this file

 * to you under the Apache License, Version 2.0 (the

 * "License"); you may not use this file except in compliance

 * with the License.  You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package com.bff.gaia.unified.runners.gaia.translation.wrappers.streaming;



import com.bff.gaia.unified.runners.core.KeyedWorkItem;

import com.bff.gaia.unified.runners.core.TimerInternals;

import com.bff.gaia.unified.sdk.util.WindowedValue;



import java.util.Collections;



/** Singleton keyed word item. */

public class SingletonKeyedWorkItem<K, ElemT> implements KeyedWorkItem<K, ElemT> {



  private final K key;

  private final WindowedValue<ElemT> value;



  public SingletonKeyedWorkItem(K key, WindowedValue<ElemT> value) {

    this.key = key;

    this.value = value;

  }



  @Override

  public K key() {

    return key;

  }



  public WindowedValue<ElemT> value() {

    return value;

  }



  @Override

  public Iterable<TimerInternals.TimerData> timersIterable() {

    return Collections.emptyList();

  }



  @Override

  public Iterable<WindowedValue<ElemT>> elementsIterable() {

    return Collections.singletonList(value);

  }

}